The DSR-30 Electric type retract suitable for parkfly up to 30 size RC models.
It makes no more annoying air systems to deal with and it moves in a scale speed instead of the crude bang-bang manner that air systems move.

The New DSR-46TA retract system suitable for 40 size around 8 Lbs
(3.6kg) RC models. No more annoying air systems to deal with and it moves in a scale speed instead of the crude bang-bang manner
that air systems move.

The DSR-30 retract system is a State of the art patent product. The ultimate retract system with all metal gears train,
micro size CPU control design to suit most 30 size AUW up to 4 Lbs RC models.
No more annoying air systems to deal with and it moves in a scale speed instead of the crude bang-bang manner
that air systems move.